12 hour urine sediment count

The 12-hour urinary sediment count is a test method for examining the number of red blood cells, white blood cells, and casts excreted in the urine at 12 hours during the night to understand the extent of renal damage and urinary tract disorders and the evolution of the condition. It is often used for patients with suspected and atypical urine sediment microscopy, which plays an important role in diagnosis and differential diagnosis. Basic Information Specialist classification: urinary examination classification: urine / kidney function test Applicable gender: whether men and women apply fasting: fasting Tips: Relax and cooperate with your doctor. Normal value Red blood cells 0-50 million / 12h. The total number of white blood cells and epithelial cells is 1 million/12h. Transparent tube type 50 million / 12h. Clinical significance Abnormal results Urine cells and casts can be increased to varying degrees, red blood cells can reach 15 million to 40 million, tube type can reach 50,000 to 10 million, white blood cells can reach 2 million to 50 million. Red blood cells or casts increase significantly, more common in nephritis. Pyelonephritis and other urinary tract infections are mainly leukocytosis. Need to check the population of various nephritis patients, urinary tract infections, prostatitis patients. High results may be diseases: nephritis, prostatitis considerations Pre-inspection contraindications: Drink less water within 24 hours before the test. The amount of liquid ingested on the test day should be less than 200 ml, from 8 o'clock in the evening (first emptying the urine in the bladder) to 8 in the morning. All the urine at the clock. The amount of water in the patient's test is mainly to maintain the urine's high specific gravity and osmotic pressure. In urine samples with a specific gravity of 1.018 or more, the cells and casts can maintain their morphology well. Otherwise, the cells and casts Will be destroyed or modified in a short time, thus affecting the accuracy of the inspection. After puberty, the vulva should be cleaned before each urine test to prevent vaginal secretions from mixing into the urine. Requirements for inspection: The urine test container should be cleaned and preservatives should be added in advance. Inspection process Accurately measure and record the 12-hour urine volume, then mix all the urine and take 20-50 ml for inspection. Not suitable for the crowd Not suitable for the crowd: women in the menstrual period. Adverse reactions and risks Nothing.